反坦克直升机是一种极其重要、极其有效的反坦克武器系统,近十年来发展迅速。目前的反坦克直升机以反坦克导弹作为主要武器,因此,要求其观瞄系统不仅能迅速探测、截获和瞄准目标,而且在导弹飞行期间能始终准确对准目标。另外,根据现代战争全天候作战的特点,还要求观瞄系统具有一定的夜视能力。目前,美国、法国、英国、瑞典等国都在从事直升机观瞄系统的研制和生产,许多产品 Anti-tank helicopters are an extremely important and extremely effective anti-tank weapon system that has developed rapidly in the past decade. Current anti-tank helicopters, which use anti-tank missiles as their main weapon, require that their sight-seeing system not only detect, intercept and target rapidly, but also always aim accurately at the missiles during their flight. In addition, according to the characteristics of all-weather warfare in modern warfare, the sight-seeing system also requires certain night-vision capabilities. At present, the United States, France, Britain, Sweden and other countries are engaged in helicopter sighting system development and production, many products